{"id":34892,"date":"2024-03-11T15:29:37","date_gmt":"2024-03-11T14:29:37","guid":{"rendered":"https:\/\/cab.inta-csic.es\/tesis\/interaction-between-amino-acids-and-metal-sulfides-surfaces-from-molecular-reactivity-to-prebiotic-chemistry\/"},"modified":"2024-03-13T13:22:33","modified_gmt":"2024-03-13T12:22:33","slug":"interaction-between-amino-acids-and-metal-sulfides-surfaces-from-molecular-reactivity-to-prebiotic-chemistry","status":"publish","type":"tesis","link":"https:\/\/cab.inta-csic.es\/en\/tesis\/interaction-between-amino-acids-and-metal-sulfides-surfaces-from-molecular-reactivity-to-prebiotic-chemistry\/","title":{"rendered":"Interaction between amino acids and metal sulfides surfaces: From molecular reactivity to prebiotic chemistry"},"content":{"rendered":"\n<p><strong>[English]<\/strong><\/p>\n\n<p>The main aim of this Doctoral Thesis is the study of the interaction and reactivity between biomolecules and mineral surfaces exposed to different physicochemical conditions relevant in the context of prebiotic chemistry and the study of the origin of life on Earth. These studies apply surface science techniques, mainly X-ray photoemission spectroscopy (XPS), presenting this technique to the astrobiological community in a pioneering way. Metallic sulphides, mainly iron sulphide pyrite (FeS2), have been chosen as one of the most relevant possible minerals for the chemical reactions necessary for the emergence of life to take place. Pyrite is described as the first source of energy in autotrophic processes for the formation of molecules within the \u201ciron-sulphur world\u201d theory, as well as for its high chemical reactivity acting as a catalyst, a characteristic that also makes it a material of potential application in fields such as electronics, renewable energies or nanotechnology. The results presented in this Doctoral Thesis contribute to the advancement of knowledge in the area of prebiotic chemistry by studying the interaction of simple biological molecules, constituents of Life, and mineral surfaces as catalytic supports that drives the chemistry of these processes depending on the environment.<\/p>\n\n<p><strong>[Espa\u00f1ol]<\/strong><\/p>\n\n<p>El tema central de la presente Tesis Doctoral es el estudio de la interacci\u00f3n y reactividad entre biomol\u00e9culas y superficies minerales, expuestos a diferentes condiciones fisicoqu\u00edmicas relevantes en el contexto de la qu\u00edmica prebi\u00f3tica y el estudio del origen de la vida. Dichos estudios se realizan mediante t\u00e9cnicas de f\u00edsica de superficies, principalmente la espectroscop\u00eda de fotoemisi\u00f3n de rayos X (XPS), presentando de forma pionera esta t\u00e9cnica a la comunidad astrobiol\u00f3gica. Se han elegido los sulfuros met\u00e1licos, principalmente el de hierro, pirita (FeS2) al ser considerado como uno de los posibles minerales de gran relevancia para que tuvieran lugar las reacciones qu\u00edmicas necesarias para el surgimiento de la vida. La pirita esta descrita como la primera fuente de energ\u00eda en procesos aut\u00f3trofos para la formaci\u00f3n de mol\u00e9culas dentro de la teor\u00eda \u201cmundo hierro-azufre\u201d, as\u00ed como por su alta reactividad qu\u00edmica actuando como catalizador, caracter\u00edstica que adem\u00e1s le convierte en un material de potencial aplicaci\u00f3n en campos como la electr\u00f3nica, las energ\u00edas renovables o la nanotecnolog\u00eda. Los resultados expuestos en esta Tesis Doctoral contribuyen a un avance de conocimiento en el \u00e1rea de la qu\u00edmica prebi\u00f3tica, mediante el estudio de la interacci\u00f3n de mol\u00e9culas biol\u00f3gicas sencillas constituyentes de la Vida y las superficies minerales, como catalizadores soportes que dirigen la qu\u00edmica de dichos procesos dependiendo del entorno.<\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","meta":[],"departamento_global":[493],"tesis_anos":[682],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Interaction between amino acids and metal sulfides surfaces: From molecular reactivity to prebiotic chemistry &ndash; CAB<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cab.inta-csic.es\/en\/tesis\/interaction-between-amino-acids-and-metal-sulfides-surfaces-from-molecular-reactivity-to-prebiotic-chemistry\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Interaction between amino acids and metal sulfides surfaces: From molecular reactivity to prebiotic chemistry &ndash; CAB\" \/>\n<meta property=\"og:description\" content=\"[English] The main aim of this Doctoral Thesis is the study of the interaction and reactivity between biomolecules and mineral surfaces exposed to different physicochemical conditions relevant in the context of prebiotic chemistry and the study of the origin of life on Earth. 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